Finding the Fourth Proportional to 2,128.30, 2,936.96 and 1,184.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.30 : 2,936.96 = 1,184.02 : x
2. Step 2: Convert to fraction form
   2,128.30/2,936.96 = 1,184.02/x
3. Step 3: Cross multiply
   2,128.30x = 2,936.96 × 1,184.02
4. Step 4: Simplify right side
   2,128.30x = 3,477,410.56
5. Step 5: Solve for x
   x = 3,477,410.56/2,128.30
6. Step 6: Final answer
   x = 1,633.89